var notices = [];
var isUpate = false; // 是否是修改，默认不是
var currentRow;
var search_data = {page:1,limit:5,
    title:stitle.value};

loadData();

function showData(arr){
    list_div.innerHTML = "";
    if(arr.length==0){
        list_div.innerHTML = "暂无数据";
        return;
    }
    var allhtml = "";
    allhtml += "<table cellpadding='0' cellspacing='0'" +
        "width='100%'><tr class='theader'>" +
        "<th>通知内容</th><th>通告类型</th><th>通知时间</th>" +
        "<th>操作</th></tr>";
    for(var i=arr.length-1;i>=0;i--){
        var a = arr[i];
        allhtml +=
            "<tr class='list'>" +
            "<td class='ntitle'>"+a.title+"</td>" +
            "<td class='ntitle'>"+a.type+"</td>" +
            "<td class='ntitle'>"+a.time.substring(0,10)+"</td>" +
            "<td class='ntitle'><a class='edit_a' onclick='upd("+i+")' href='javascript:;'>编辑</a>" +
            "<a class='del_a' onclick='del("+a.id+")' href='javascript:;'>删除</a></td>" +
            "</tr>";
    }
    allhtml += "</table>";
    list_div.innerHTML = allhtml;
}

function search(){
    search_data={page:1,limit:5,title:stitle.value}
    loadData();
}

function loadData(){
    list_div.innerHTML = "";
    loading.style.display = "block";
    ajax("/find_all_notice",search_data,function(data){
        notices=data;
        showData(notices);
        loading.style.display = "none" ;});

    ajax("/count_all_notice",search_data,function(data){
        // console.log(data);  33
        data = parseInt(data);
        current_page.innerHTML = search_data.page;
        total_page.innerHTML =
            (data%search_data.limit==0?
                data/search_data.limit:
                Math.floor(data/search_data.limit)+1);
    });
}




function next_page(){
    if(search_data.page<parseInt(total_page.innerHTML)) {
        search_data.page++;
        loadData();
    }
}

function pre_page(){
    if(search_data.page>=2&&search_data.page<=parseInt(total_page.innerHTML)) {
        search_data.page--;
        loadData();
    }
}

function index_page(){
    search_data.page=1;
    loadData();
}

function tail_page(){
    search_data.page=parseInt(total_page.innerHTML);
    loadData();
}

function to_page(){
    var ip = parseInt(input_page.value);
    if(ip>=1&&ip<=parseInt(total_page.innerHTML)){
        search_data.page = ip;
        loadData();
    }
}

function save(){
    ajax(isUpate?"/upd_notice":"/add_notice",{
        id:currentRow?currentRow.id:-1,
        title:title.value,
        content:content.innerHTML,
        type:type.value

    },function(data){
        alert(isUpate?"更新成功！":"新增成功！");
        location.reload();

    })

}

function upd(i){
    isUpate = true;
    var d = notices[i];
    currentRow = d;
    add_div.style.display = "block";
    list_div.style.display = "none";
    save_btn.style.display = "block";
    add_btn.style.display = "none";
    search_div.style.display = "none";
    return_btn.style.display = "block";
    page_div.style.display = "none";

    title.value = d.title;
    console.log(d.content);
    content.innerHTML = d.content;


}

function add(){
    isUpate = false;
    add_div.style.display = "block";
    list_div.style.display = "none";
    save_btn.style.display = "block";
    add_btn.style.display = "none";
    search_div.style.display = "none";
    return_btn.style.display = "block";
    page_div.style.display = "none";

    title.value = "";
    content.innerHTML = "";

}
function del(id) {
    if (!confirm("您确定要删除这个数据吗？")) {
        return;
    }
    ajax("/del_notice", {id: id}, function (data) {
        alert("删除成功！");
        loadData();
    });
}
function returnMain(){
    add_div.style.display = "none";
    list_div.style.display = "block";
    save_btn.style.display = "none";
    add_btn.style.display = "block";
    search_div.style.display = "block";
    return_btn.style.display = "none";
    page_div.style.display = "block";
}